CN113307316A - Decontamination wastewater neutralization treatment composition and use method thereof - Google Patents

Decontamination wastewater neutralization treatment composition and use method thereof Download PDF

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CN113307316A
CN113307316A CN202110677993.6A CN202110677993A CN113307316A CN 113307316 A CN113307316 A CN 113307316A CN 202110677993 A CN202110677993 A CN 202110677993A CN 113307316 A CN113307316 A CN 113307316A
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solution
reactant
composition
neutralization treatment
treatment composition
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田兴涛
李江存
唐娜
任丽君
党胜男
王相承
李吉刚
王悦
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Insititute Of Nbc Defence
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    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00—Treatment of water, waste water, or sewage
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00—Treatment of water, waste water, or sewage
    • C02F1/58—Treatment of water, waste water, or sewage by removing specified dissolved compounds
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00—Treatment of water, waste water, or sewage
    • C02F1/66—Treatment of water, waste water, or sewage by neutralisation; pH adjustment
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00—Treatment of water, waste water, or sewage
    • C02F1/70—Treatment of water, waste water, or sewage by reduction

Abstract

The application provides a decontamination wastewater neutralization treatment composition and a use method thereof, wherein the composition comprises the following components in parts by weight: a main reactant, an auxiliary reactant and a solvent, wherein the main reactant adopts Na2SO3The auxiliary reactant adopts Na2S2O3·5H2O、(NH4)2SO4The solvent is deionized water, and the mass ratio of the main reactant to the auxiliary reactant to the solvent is 1:0-0.15: 5. The method can quickly react, reduce the content of residual available chlorine in the solution, make the reacted solution neutral, and promote the reduction of hypochlorite into hypochloriteThe chlorine ions effectively assist and catalyze the reaction of the main reactant and the auxiliary reactant with the residual effective chlorine in the solution, and promote the reaction.

Description

Decontamination wastewater neutralization treatment composition and use method thereof
The technical field is as follows:
the application relates to the technical field of wastewater treatment, in particular to a decontamination wastewater neutralization treatment composition and a use method thereof.
Background art:
at present, in the public safety field, in order to meet the public safety requirement, the decontamination agent is widely and generally applied, wherein, the use of the bleaching powder is taken as the main, and the bleaching powder is generally used in the common decontamination agent types because of quick effect taking speed and good specific decontamination effect, and even can be used as a specific disinfectant in some special fields, such as cyanide leakage. After the bleaching powder is widely used as a decontaminating agent, the main application carriers of the bleaching powder are calcium hypochlorite and calcium hydroxide, the solution still has strong oxidizing property caused by unreacted hypochlorite and other active oxidizing substances in the decontaminated solution, and the wastewater is strong alkaline caused by unreacted alkaline substances and needs to be further treated in the later period.
Therefore, there is a need in the art for a decontamination wastewater neutralization treatment composition and method of use thereof.
In view of this, the present application is presented.
The invention content is as follows:
the application aims to provide a composition for neutralizing bleaching powder decontamination wastewater and a using method thereof, so as to solve at least one technical problem in the prior art.
Specifically, in a first aspect of the application, a decontamination wastewater neutralization treatment composition is provided, which comprises the following components in parts by weight: a main reactant, an auxiliary reactant and a solvent, wherein the main reactant adopts Na2SO3The auxiliary reactant adopts Na2S2O3·5H2O、(NH4)2SO4The solvent is deionized water, and the mass ratio of the main reactant to the auxiliary reactant to the solvent is 1:0-0.15: 5.
By adopting the scheme, the reaction can be rapidly carried out, the content of the residual available chlorine in the solution is reduced, and the solution after the reaction is neutral.
Preferably, the auxiliary reactant adopts Na2S2O3·5H2O, sucrose and/or glucose.
Further, the auxiliary reactant adopts Na2S2O3·5H2O。
Further, said Na2SO3、Na2S2O3·5H2The mass ratio of O to deionized water is 1:0.1: 5.
Furthermore, the auxiliary reactant adopts sucrose and glucose, and the mass ratio of the sucrose to the glucose is 2: 1.
Further, said Na2SO3The mass ratio of the sucrose to the glucose to the deionized water is 1:0.1: 5.
By adopting the scheme, the reaction process is mild, a large amount of white precipitates are generated in the reaction process, no gas is discharged, and no foreign odor exists.
Preferably, the composition further comprises: the load adopts active carbon, and the mass ratio of the main reactant to the auxiliary reactant to the load is 1:0.05-0.15: 2.
Furthermore, the load adopts active carbon and graphite powder.
By adopting the scheme, hypochlorite can be reduced into chloride ions, the main reactant and the auxiliary reactant are effectively assisted and catalyzed to react with residual effective chlorine in the solution, the reaction is promoted, and the alkalinity of the reaction solution is reduced.
Specifically, in a second aspect of the present application, there is provided a use method of the above-mentioned decontamination wastewater neutralization treatment composition, wherein the use method comprises the following steps by volume:
taking the composition, and mixing the composition with the solution to be treated according to the volume ratio of the solution to be treated to the composition of 5: 1.5-2.5.
By adopting the scheme, the dosage of the composition can be controlled while the content of the residual effective chlorine in the solution is ensured to be reduced, so that the purification process is carried out efficiently.
Preferably, the volume ratio of the solution to be treated to the composition in the use method of the decontamination wastewater neutralization treatment composition is 5: 1.92-1.95.
By adopting the scheme, the rapid reaction can be ensured.
In summary, the application can rapidly react, reduce the content of the residual available chlorine in the solution, make the solution after the reaction neutral, promote the reduction of hypochlorite into chloride ions, effectively assist and catalyze the reaction of the main reactant and the auxiliary reactant with the residual available chlorine in the solution, and promote the reaction.
The specific implementation mode is as follows:
exemplary embodiments will be described in detail herein. The embodiments described in the following exemplary embodiments do not represent all embodiments consistent with the present application. Rather, they are merely examples of apparatus and methods consistent with certain aspects of the present application, as detailed in the appended claims.
The terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the application. As used in this application and the appended claims, the singular forms "a", "an", and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise. It should also be understood that the term "and/or" as used herein refers to and encompasses any and all possible combinations of one or more of the associated listed items.
The present application will be described in detail below by way of examples.
Examples of the experiments
Scheme 1
And measuring the content of available chlorine in the bleaching powder fine treatment wastewater by adopting an iodometry titration method.
The content of the available chlorine represents the amount of the effective components contained in the oxidizing and chlorinating agent, and means that the oxidizing and chlorinating agent is equivalently converted into chlorine gas, the amount of the chlorine gas is the available chlorine and can be represented by mass, concentration or percentage, and the amount is represented by percentage below.
In the process of measuring available chlorine by an iodometry, the effective component Ca (ClO) in the bleaching powder is added in the presence of excessive KI2KI can be oxidized into I2The available chlorine of the bleaching powder can be measured, and the reaction formula is as follows:
ClO-+2I-+2H+→I2+Cl-+H2O；
I2+2S2O3 2-→2I-+S4O6 2-；
the formula for calculating available chlorine can be obtained from the above reaction formula.
Second, Na in the reaction2S2O3The concentration of the solution can be calibrated by a reference potassium dichromate, and the determination principle reaction formula is as follows:
Cr2O7 2-+6I-+14H+→7H2O+3I2+2Cr3+；
I2+2S2O3 2-→2I-+S4O6 2-。
scheme 2
Test for determination of the dissolution of the bleaching powder.
3.5162g of solid bleaching powder is weighed to prepare 500mL of suspension;
standing to obtain 25mL of supernatant, adding 20mL of 10% KI solution and 0.5mol/L H2SO410mL of the solution;
standing in dark for 5min, and adding calibrated Na2S2O3The solution was titrated to light yellow, then 1mL of 0.5% starch solution was added, the solution turned blue, and then titrated to colorless.
TABLE 1 determination of available chlorine content in solid bleaching powder by iodometry
Figure BDA0003121583000000031
The available chlorine was calculated from the experimental data as follows:
Figure BDA0003121583000000032
wherein 0.0355 is in contact with 1mL of 1mol/L Na2S2O3The titration solution corresponds to the available chlorine mass in grams.
Scheme 3
In the test for measuring the available chlorine of the bleaching powder solution, the mass ratio of the solid bleaching powder to the deionized water is 1: 8.
3.0086g of bleaching powder solid is weighed, and 24mL of deionized water is added to prepare suspension;
standing, taking 1.30mL of supernatant, and weighing 1.3066g of average weight for three times;
20mL of 10% KI solution and 0.5mol/L H were added2SO410mL of the solution;
standing in dark for 5min, and adding calibrated Na2S2O3Titrating the solution to light yellow, adding 1mL of 0.5% starch solution, changing the solution to blue, and titrating to colorless;
the available chlorine was calculated from the experimental data as follows:
Figure BDA0003121583000000041
wherein 0.0355 is in contact with 1mL of 1mol/L Na2S2O3The titration solution corresponds to the available chlorine mass in grams.
Scheme 4
In the test for measuring the available chlorine of the bleaching powder solution, the mass ratio of the solid bleaching powder to the deionized water is 1: 12.
3.0012g of bleaching powder solid is weighed, and 36mL of deionized water is added to prepare suspension;
standing, taking 1.30mL of supernatant, and weighing 1.3066g of average weight for three times;
20mL of 10% KI solution and 0.5mol/L H were added2SO410mL of the solution;
standing in dark for 5min, and adding calibrated Na2S2O3Titrating the solution to light yellow, adding 1mL of 0.5% starch solution, changing the solution to blue, and titrating to colorless;
the available chlorine was calculated from the experimental data as follows:
Figure BDA0003121583000000042
wherein 0.0355 is in contact with 1mL of 1mol/L Na2S2O3The titration solution corresponds to the available chlorine mass in grams.
Scheme 5
In the test for measuring the available chlorine of the bleaching powder solution, the mass ratio of the solid bleaching powder to the deionized water is 1: 16.
Weighing 3.0000g of bleaching powder solid, and adding 48mL of deionized water to prepare suspension;
standing, taking 1.30mL of supernatant, and weighing 1.3066g of average weight for three times;
20mL of 10% KI solution and 0.5mol/L H were added2SO410mL of the solution;
standing in dark for 5min, and adding calibrated Na2S2O3Titrating the solution to light yellow, adding 1mL of 0.5% starch solution, changing the solution to blue, and titrating to colorless;
the available chlorine was calculated from the experimental data as follows:
Figure BDA0003121583000000043
wherein 0.0355 is in contact with 1mL of 1mol/L Na2S2O3The titration solution corresponds to the available chlorine mass in grams.
Scheme 6
In the test for measuring the available chlorine of the bleaching powder solution, the mass ratio of the solid bleaching powder to the deionized water is 1: 4.
6.0019g of bleaching powder solid is weighed, and 24mL of deionized water is added to prepare suspension;
standing, taking 1.30mL of supernatant, and weighing 1.3066g of average weight for three times;
20mL of 10% KI solution and 0.5mol/L H were added2SO410mL of the solution;
standing in dark for 5min, and adding calibrated Na2S2O3Titrating the solution to light yellow, adding 1mL of 0.5% starch solution, changing the solution to blue, and titrating to colorless;
the available chlorine was calculated from the experimental data as follows:
Figure BDA0003121583000000051
wherein 0.0355 is in contact with 1mL of 1mol/L Na2S2O3The titration solution corresponds to the available chlorine mass in grams.
Scheme 3-scheme 6 the results of the tests and calculations are shown in the following table.
TABLE 2 iodine titration determination of available chlorine content in bleaching powder solution with different modulation ratios
Figure BDA0003121583000000052
Note: blank experiment, AC% ═ 0.
Scheme 7
And measuring the content of the available chlorine in the bleaching powder fine treatment wastewater by adopting an instrument rapid determination method.
The instrument adopts a clear-time portable T-CL501C quick determination instrument for available chlorine, the supernatant obtained by the scheme 3 to the scheme 6 and the available chlorine content of the solution with 4 modulation ratios are determined by the determination instrument, and the determination results are as follows in parallel 3 times.
TABLE 3 quick determination result of available chlorine content in bleaching powder solutions with different modulation ratios by instrument
Figure BDA0003121583000000053
Figure BDA0003121583000000061
As can be seen from tables 2 and 3, the above comparative analysis shows that the instrumental rapid assay method has less deviation of the detection result of the same sample compared with the iodometry method, but the instrumental rapid assay method is convenient, rapid and less in operation, thereby reducing errors caused by human factors, and therefore the instrumental rapid assay method is selected as the main method for detecting the effective chlorine content of the sample.
Scheme 8
And (3) preparing and inspecting a bleaching powder (1:8) solution.
10.0023g of the blanc powder solid is weighed, 80mL of deionized water is added, the pH value of the solution and available chlorine are measured, and three groups are measured. The results of the test are shown in the following table:
TABLE 4 determination of the pH and available chlorine content of the bleaching powder (1:8) solution
Figure BDA0003121583000000062
Example 1
Preparation of the composition, mixing Na2SO3、Na2S2O3·5H2Mixing O and deionized water in the mass ratio of 2:0.19:10, and fully dissolving to obtain the composition. Taking the bleaching powder (1:8) solution prepared in the scheme 8, mixing the bleaching powder (1:8) solution with the composition according to the volume ratio of 5:1.92, recording the reaction phenomenon, centrifuging the mixture after measuring white precipitate, no gas and no odor and releasing heat, and taking supernatant fluid to measure the pH value and available chlorine of the supernatant fluid.
Example 2
Preparation of the composition, mixing Na2SO3、Na2S2O3·5H2O and deionized waterMixing at a weight ratio of 2:0.19:10, and dissolving thoroughly to obtain the composition. Taking the bleaching powder (1:8) solution prepared in the scheme 8, mixing the bleaching powder (1:8) solution with the composition according to the volume ratio of 5:1.93, recording the reaction phenomenon, centrifuging the mixture after measuring white precipitate, no gas and no odor and releasing heat, and taking supernatant fluid to measure the pH value and available chlorine of the supernatant fluid.
Example 3
Preparation of the composition, mixing Na2SO3、Na2S2O3·5H2Mixing O and deionized water in the mass ratio of 2:0.19:10, and fully dissolving to obtain the composition. Taking the bleaching powder (1:8) solution prepared in the scheme 8, mixing the bleaching powder (1:8) solution with the composition according to the volume ratio of 5:1.95, recording the reaction phenomenon, centrifuging the mixture after measuring white precipitate, no gas and no odor and releasing heat, and taking supernatant fluid to measure the pH value and available chlorine of the supernatant fluid.
TABLE 5 determination of pH and available chlorine content of the solution after reaction in examples 1-3
Figure BDA0003121583000000071
As can be seen from Table 5, the pH value after the reaction showed that the solution was substantially neutral, the available chlorine content was reduced from 47500mg/L to 1779mg/L by more than 95%, and the applicant considered that the above-mentioned ratio could make full use of the binding characteristics of the main reactant and the auxiliary reactant to rapidly reduce the available chlorine content remaining in the solution, and the solution after the reaction could be made neutral by adapting the volume of the solution to the volume of the treated substance.
Example 4
Preparation of the composition, mixing Na2SO3、Na2S2O3·5H2Mixing O and deionized water in the mass ratio of 2:0.22:10, and fully dissolving to obtain the composition. Taking the bleaching powder (1:8) solution prepared in the scheme 8, mixing the bleaching powder (1:8) solution with the composition according to the volume ratio of 5:1.84, recording the reaction phenomenon, centrifuging the mixture after measuring white precipitate, no gas and no odor and releasing heat, and taking supernatant fluid to measure the pH value and available chlorine.
Example 5
Preparation of the composition, mixing Na2SO3、Na2S2O3·5H2Mixing O and deionized water in the mass ratio of 2:0.22:10, and fully dissolving to obtain the composition. Taking the bleaching powder (1:8) solution prepared in the scheme 8, mixing the bleaching powder (1:8) solution with the composition according to the volume ratio of 5:1.90, recording the reaction phenomenon, centrifuging the mixture after measuring white precipitate, no gas and no odor and releasing heat, and taking supernatant fluid to measure the pH value and available chlorine of the supernatant fluid.
Example 6
Preparation of the composition, mixing Na2SO3、Na2S2O3·5H2Mixing O and deionized water in the mass ratio of 2:0.22:10, and fully dissolving to obtain the composition. Taking the bleaching powder (1:8) solution prepared in the scheme 8, mixing the bleaching powder (1:8) solution with the composition according to the volume ratio of 5:1.93, recording the reaction phenomenon, centrifuging the mixture after measuring white precipitate, no gas and no odor and releasing heat, and taking supernatant fluid to measure the pH value and available chlorine of the supernatant fluid.
TABLE 6 determination of pH and available chlorine content of solution after reaction of examples 4-6
Figure BDA0003121583000000072
As can be seen from Table 6, the effective chlorine in the solution after the reaction is further reduced by more than 99% after the above mixture ratio is adopted. The applicant thinks that the combination characteristics of the main reactant and the auxiliary reactant can be fully utilized by adopting the proportion, the residual effective chlorine content in the solution can be quickly reduced, and the solution after reaction can be neutral by adopting the adaptation between the volume of the solution and the use volume of the treated substances.
Example 7
Placing 10mL of the bleaching powder (1:8) solution prepared in the scheme 8 into a beaker, and adding 0.1mol/L of Na2S2O3The solution is proper, according to the ratio of the bleaching powder (1:8) solution to the Na2S2O3The volume ratio of the solution is 1:1.90, the reaction phenomenon is recorded, and white precipitate, gas and gas are not generated when the reaction is waited forAfter the exotherm, the mixture was centrifuged and the supernatant was taken to measure its pH and available chlorine.
Example 8
Preparation of the composition, mixing Na2SO3Mixing sucrose and deionized water at a mass ratio of 2:0.3:10, and fully dissolving to obtain the composition. And (3) mixing the bleaching powder (1:8) solution prepared in the scheme 8 with the composition according to the volume ratio of 5:2.5, recording the reaction phenomenon, centrifuging the mixture after measuring white precipitate, no gas and no odor and releasing heat, and taking supernatant to measure the pH and available chlorine of the mixture.
Example 9
Preparation of the composition, mixing Na2SO3Mixing glucose and deionized water according to the mass ratio of 2:0.3:10, and fully dissolving to obtain the composition. Taking the bleaching powder (1:8) solution prepared in the scheme 8, mixing the bleaching powder (1:8) solution with the composition according to the volume ratio of 5:1.5, recording the reaction phenomenon, centrifuging the mixture after white precipitate, gas-free, tasteless and heat release is measured, and taking the supernatant to measure the pH and available chlorine.
Example 10
Preparation of the composition, mixing Na2SO3Mixing sucrose, glucose and deionized water at a mass ratio of 2:0.1:0.2:10, and dissolving completely to obtain the composition. Taking the bleaching powder (1:8) solution prepared in the scheme 8, mixing the bleaching powder (1:8) solution with the composition according to the volume ratio of 5:2, recording the reaction phenomenon, centrifuging the mixture after white precipitation, no gas, no odor and heat release, and taking the supernatant to measure the pH and the available chlorine.
Example 11
Preparation of the composition, mixing Na2SO3、Na2S2O3·5H2Mixing O, active carbon and deionized water according to the mass ratio of 2:0.2:0.05:10, and fully dissolving to obtain the composition. Taking the bleaching powder (1:8) solution prepared in the scheme 8, mixing the bleaching powder (1:8) solution with the composition according to the volume ratio of 5:2, recording the reaction phenomenon, centrifuging the mixture after white precipitation, no gas, no odor and heat release, and taking the supernatant to measure the pH and the available chlorine.
Example 12
Preparation of the composition, mixing Na2SO3、Na2S2O3·5H2Mixing O, graphite powder and deionized water in a mass ratio of 2:0.2:0.15:10, and fully dissolving to obtain the composition. Taking the bleaching powder (1:8) solution prepared in the scheme 8, mixing the bleaching powder (1:8) solution with the composition according to the volume ratio of 5:2, recording the reaction phenomenon, centrifuging the mixture after white precipitation, no gas, no odor and heat release, and taking the supernatant to measure the pH and the available chlorine.
Example 13
Preparation of the composition, mixing Na2SO3、Na2S2O3·5H2Mixing O, active carbon, graphite powder and deionized water according to the mass ratio of 2:0.2:0.1:0.1:10, and fully dissolving to obtain the composition. And (3) mixing the bleaching powder (1:8) solution prepared in the scheme 8 with the composition according to the volume ratio of 5:2, recording the reaction phenomenon, centrifuging the mixture after white precipitation, no gas and no odor are generated, and after the mixture is heated, taking the supernatant to measure the pH and the available chlorine.
Example 14
Preparation of the composition, mixing Na2SO3、(NH4)2SO4And deionized water with the mass ratio of 2:0.25:10, and fully dissolving to obtain the composition. Taking the bleaching powder (1:8) solution prepared in the scheme 8, mixing the bleaching powder (1:8) solution with the composition according to the volume ratio of 5:1.5, recording the reaction phenomenon, centrifuging the mixture after white precipitate, gas-free, tasteless and heat release is measured, and taking the supernatant to measure the pH and available chlorine.
TABLE 7 determination of pH and available chlorine content of solutions after reaction of examples 7-12
Group of pH AC(mg/L)
Example 7 1.07 673
Example 8 9.42 746
Example 9 6.71 2436
Example 10 7.96 631
Example 11 8.00 261
Example 12 8.01 275
Example 13 8.01 172
Example 14 1.26 962
Note: and converting the effective chlorine unit into 1000 mg/L-1%.
Watch with watch7, the effective chlorine in the solution after the reaction can be effectively reduced by adopting the proportion, the applicant thinks that the proportion can fully utilize the combination characteristics of the main reactant and the auxiliary reactant, the residual effective chlorine content in the solution can be quickly reduced, other impurity ions are not introduced when the auxiliary reactant is sucrose or glucose, the later-stage degradation is convenient, the reaction product is safe and non-toxic, and when the auxiliary reactant is Na2S2O3·5H2And O, and when the active carbon and the graphite powder are used as the load, the optimal effective chlorine reduction effect is achieved.
It should be noted that, for those skilled in the art, without departing from the principle of the present application, several improvements and modifications can be made to the present application, and these improvements and modifications also fall into the protection scope of the claims of the present application.

Claims (10)

1. A neutralization treatment composition for decontamination wastewater is characterized in that: the composition comprises the following components in percentage by weight: a main reactant, an auxiliary reactant and a solvent, wherein the main reactant adopts Na2SO3The auxiliary reactant adopts Na2S2O3·5H2O、(NH4)2SO4The solvent is deionized water, and the mass ratio of the main reactant to the auxiliary reactant to the solvent is 1:0-0.15: 5.
2. The decontamination wastewater neutralization treatment composition according to claim 1, wherein: the auxiliary reactant adopts Na2S2O3·5H2O, sucrose and/or glucose.
3. The decontamination wastewater neutralization treatment composition according to claim 2, wherein: the auxiliary reactant adopts Na2S2O3·5H2O。
4. The wash of claim 3The wastewater neutralization treatment composition is characterized in that: the Na is2SO3、Na2S2O3·5H2The mass ratio of O to deionized water is 1:0.1: 5.
5. The decontamination wastewater neutralization treatment composition according to claim 2, wherein: the auxiliary reactant adopts sucrose and glucose, and the mass ratio of the sucrose to the glucose is 2: 1.
6. The decontamination wastewater neutralization treatment composition according to claim 5, wherein: the Na is2SO3The mass ratio of the sucrose to the glucose to the deionized water is 1:0.1: 5.
7. The decontamination wastewater neutralization treatment composition according to any one of claims 1 to 6, wherein: the composition further comprises: the load adopts active carbon, and the mass ratio of the main reactant to the auxiliary reactant to the load is 1:0.05-0.15: 2.
8. The decontamination wastewater neutralization treatment composition according to claim 7, wherein: the load adopts active carbon and graphite powder, and the dosage ratio of the active carbon to the graphite powder is 1:1.
9. A method of using the decontamination wastewater neutralization treatment composition of any one of claims 1-8, wherein: the use method comprises the following steps of: taking the composition, and mixing the composition with the solution to be treated according to the volume ratio of the solution to be treated to the composition of 5: 1.5-2.5.
10. The use of the composition for neutralizing the waste water from the decontamination as claimed in claim 9, wherein: the volume ratio of the solution to be treated to the composition is 5: 1.92-1.95.
CN202110677993.6A 2021-06-18 2021-06-18 Decontamination wastewater neutralization treatment composition and use method thereof Pending CN113307316A (en)

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